Finding the Fourth Proportional to 80,150.90, 110,588.37 and 51,822.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,150.90 : 110,588.37 = 51,822.50 : x
2. Step 2: Convert to fraction form
   80,150.90/110,588.37 = 51,822.50/x
3. Step 3: Cross multiply
   80,150.90x = 110,588.37 × 51,822.50
4. Step 4: Simplify right side
   80,150.90x = 5,730,965,804.33
5. Step 5: Solve for x
   x = 5,730,965,804.33/80,150.90
6. Step 6: Final answer
   x = 71,502.20